54565289 has 4 divisors (see below), whose sum is σ = 54587280. Its totient is φ = 54543300.

The previous prime is 54565271. The next prime is 54565337. The reversal of 54565289 is 98256545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54565289 - 2²⁰ = 53516713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54565229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6719 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (13646820).

Almost surely, 2^54565289 is an apocalyptic number.

It is an amenable number.

54565289 is a deficient number, since it is larger than the sum of its proper divisors (21991).

54565289 is a wasteful number, since it uses less digits than its factorization.

54565289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21990.

The product of its digits is 432000, while the sum is 44.

The square root of 54565289 is about 7386.8321356316. The cubic root of 54565289 is about 379.2906642606.

The spelling of 54565289 in words is "fifty-four million, five hundred sixty-five thousand, two hundred eighty-nine".